Tritonia hirondelle is a species of dendronotid nudibranch. It is a marine gastropod mollusc in the family Tritoniidae.MolluscaBase (2018). Tritonia hirondelle Ortea & Moro, 2020. Accessed on 2021-01-11.
Distribution This species was found off the island of Fogo in the Cape Verde islands, at 260 m depth, on a bright yellow octocoral, Acanthogorgia sp.
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